CVE-2026-34447 - Vulnerability Details - OpenCVE

Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory. This issue has been patched in version 1.21.0.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

Advisories

Source	ID	Title
Github GHSA	GHSA-p433-9wv8-28xj	ONNX: External Data Symlink Traversal

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj

History

Wed, 01 Apr 2026 23:45:00 +0000

Type	Values Removed	Values Added
Description		Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory. This issue has been patched in version 1.21.0.
Title		ONNX: External Data Symlink Traversal
Weaknesses		CWE-22 CWE-61
References		https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-04-01T17:39:38.129Z

Updated: 2026-04-01T19:14:38.114Z

Reserved: 2026-03-27T18:18:14.894Z

Link: CVE-2026-34447

Vulnrichment

Updated: 2026-04-01T19:14:33.115Z

NVD

Status : Received

Published: 2026-04-01T18:16:30.810

Modified: 2026-04-01T18:16:30.810

Link: CVE-2026-34447

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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